Rated between 150 and 160 horsepower at 2,700 revolutions per minute (RPM), the engine features a 320-cubic-inch displacement with a bore and stroke of 5.125 inches by 3.875 inches, respectively.

Behind closed doors at the UK headquarters of Rolls Royce Aerospace, machinery whirs, fans hum and blades screech as some 1,000 people go about the complex task of getting an airplane engine off ...

If someone tells you they have seen a rotary engine, the chances are that you will immediately think of a Wankel engine, as you might find in some of the more exotic Mazda sports cars. But there is… ...

The Lycoming O-320 engine, a four-cylinder, horizontally opposed, air-cooled engine, is so reliable that they are still in use today despite being 70 years old.